Reflective Radioactive Symbol - 3" x 2 3/4" die cut vinyl decal for helmets, windows, cars, trucks, tool boxes, laptops, MacBook - virtually any hard, smooth surface Die Cut decal made out of premium 7 year engineering grade vinyl for exterior application Clear application tape for easy professional installation. Complete installation instructions included with every order. Can be applied to virtually any clean, smooth hard surface. Decal is precission cut out of solid vinyl. The only thing to be applied is what's shown in white. Size is approximately 3" x 2 3/4"